Overview
The MC7812ACD2TG is a fixed-voltage linear voltage regulator produced by onsemi. This component is part of the MC78XX series, designed to provide a stable 12V output voltage with a maximum current of 1A. It is housed in a TO-263-3 package, making it suitable for a variety of applications requiring reliable voltage regulation.
The regulator features internal current limiting, thermal shutdown, and safe operating area protection, ensuring robust performance and reliability. It operates over a wide input voltage range from 19V to 35V, making it versatile for different power supply configurations.
Key Specifications
| Characteristic | Symbol | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Output Voltage (TJ = 25°C) | VO | 11.75 | 12 | 12.25 | Vdc |
| Output Voltage (5.0 mA ≤ IO ≤ 1.0 A, PD ≤ 15 W) | VO | 11.5 | 12 | 12.5 | Vdc |
| Input Voltage Range | Vin | 19 | - | 35 | Vdc |
| Peak Output Current (TJ = 25°C) | Imax | - | - | 2.2 | A |
| Average Temperature Coefficient of Output Voltage | TCVO | -0.8 | - | -0.8 | mV/°C |
| Line Regulation (TJ = 25°C) | Regline | - | - | 6.0 | mV |
| Load Regulation (TJ = 25°C) | - | - | - | 120 | mV |
| Operating Junction Temperature Range | TJ | 0 | - | 125 | °C |
Key Features
- Fixed Output Voltage: Provides a stable 12V output voltage.
- High Current Capability: Can supply up to 1A of output current.
- Internal Current Limiting: Protects the regulator from overcurrent conditions.
- Thermal Shutdown: Automatically shuts down the regulator in case of overheating.
- Safe Operating Area Protection: Ensures the regulator operates within safe limits.
- Wide Input Voltage Range: Operates with input voltages from 19V to 35V.
- TO-263-3 Package: Compact and suitable for various applications.
Applications
- Power Supplies: Used in DC power supplies to regulate output voltage.
- Industrial Control Systems: Provides stable voltage for industrial control and automation systems.
- Consumer Electronics: Suitable for use in various consumer electronic devices requiring stable voltage regulation.
- Automotive Systems: Can be used in automotive systems where reliable voltage regulation is crucial.
- Medical Devices: Used in medical equipment where stable and reliable voltage is essential.
Q & A
- What is the output voltage of the MC7812ACD2TG?
The output voltage of the MC7812ACD2TG is 12V.
- What is the maximum output current of the MC7812ACD2TG?
The maximum output current is 1A.
- What is the input voltage range for the MC7812ACD2TG?
The input voltage range is from 19V to 35V.
- Does the MC7812ACD2TG have internal current limiting?
Yes, it has internal current limiting to protect against overcurrent conditions.
- What is the operating junction temperature range for the MC7812ACD2TG?
The operating junction temperature range is from 0°C to 125°C.
- What package type is the MC7812ACD2TG available in?
The MC7812ACD2TG is available in a TO-263-3 package.
- Does the MC7812ACD2TG have thermal shutdown protection?
Yes, it has thermal shutdown protection to prevent overheating.
- What are some common applications for the MC7812ACD2TG?
Common applications include power supplies, industrial control systems, consumer electronics, automotive systems, and medical devices.
- How does the MC7812ACD2TG ensure safe operating area protection?
The regulator has built-in safe operating area protection to ensure it operates within safe limits.
- What is the line regulation of the MC7812ACD2TG?
The line regulation is up to 6.0 mV.
